一種復(fù)雜圖像背景中殘留液晶識(shí)別方法
[Abstract]:LCD screen is a component with strict requirements for surface cleanliness. The residual liquid crystal recognition method based on digital image processing can quantitatively and objectively evaluate the surface cleanliness. Aiming at the problem that it is difficult to identify the residual liquid crystals in complex background images, an effective image processing flow and algorithm is proposed and implemented in this paper, including segmentation, edge connection, image filling, removal of redundant edges and noise, and so on. In this paper, an edge join operator is proposed. After segmenting the image, the discontinuous image boundary is connected to the closed image, which lays the foundation for the image filling. A pattern classifier based on binary classification method is proposed and implemented, which is used to recognize the geometric shape of pollutants automatically. The experiments show that the residual liquid crystal edge can be accurately obtained by the method of identification and analysis for the residual liquid crystal with a single background, and the noise interference can be controlled. The methods of residual liquid crystal recognition and analysis for complex background can deal with specific types of images with obvious differences in background.
【作者單位】: 河北工業(yè)大學(xué)微電子研究所;河北工業(yè)大學(xué)網(wǎng)絡(luò)管理中心;
【基金】:02國家重大專項(xiàng)項(xiàng)目(No.2009zx02308) 河北省高等學(xué)?茖W(xué)技術(shù)研究項(xiàng)目(No.Z2011293) 河北省自然科學(xué)基金項(xiàng)目(No.E2014202147)
【分類號(hào)】:TN873.93;TP391.41
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